Home / 153,040.44-229,429.18-53,187.66

Finding the Fourth Proportional to 153,040.44, 229,429.18 and 53,187.66

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Solution

The fourth proportional to 153,040.44, 229,429.18 and 53,187.66 is: 79,735.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,040.44 : 229,429.18 = 53,187.66 : x
  2. Step 2: Convert to fraction form
    153,040.44/229,429.18 = 53,187.66/x
  3. Step 3: Cross multiply
    153,040.44x = 229,429.18 × 53,187.66
  4. Step 4: Simplify right side
    153,040.44x = 12,202,800,646.35
  5. Step 5: Solve for x
    x = 12,202,800,646.35/153,040.44
  6. Step 6: Final answer
    x = 79,735.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.